Former xAI Engineer Departs, Reflects on a Year Scaling Frontier Model Post-Training

A former xAI engineer announced his departure, reflecting on a year of frontier model post-training scaling at the company, tackling stability, large-scale runs and scaling efficiency, while praising the team's fast-iteration debugging culture.

2026-08-30 ~ 2026-08-30 · 2 related posts

1 near-duplicate retellings: shi_weiyan